[jira] [Commented] (SLIDER-109) Need a better indicator for application state/health

["Sumit Mohanty (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SLIDER-109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14064121#comment-14064121 ] 

Sumit Mohanty commented on SLIDER-109:
--------------------------------------

Slider should also provide a state that allows distinction between frozen application vs. destroyed application. Both are "FAILED" from YARN perspective.

> Need a better indicator for application state/health
> ----------------------------------------------------
>
>                 Key: SLIDER-109
>                 URL: https://issues.apache.org/jira/browse/SLIDER-109
>             Project: Slider
>          Issue Type: Improvement
>          Components: agent-provider, appmaster
>    Affects Versions: Slider 0.40
>            Reporter: Sumit Mohanty
>            Assignee: Sumit Mohanty
>             Fix For: Slider 0.50
>
>
> Yarn Application state is different than the application state as perceived by Yarn. Such as:
> * When Yarn app state says RUNNING, the application deployed by Slider may actually be in the process of starting, and not yet ready for clients.
> * When Yarn app state says RUNNING, the application may in fact be unhealthy as in the component instances have gone down and waiting to come back up
> Application should be allowed to define its state (for its admin and clients) that is different than the application state as reported by Yarn.



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